'use strict';

function stripHtml(value) {
  return String(value || '')
    .replace(/<br\s*\/?>/gi, '\n')
    .replace(/<[^>]+>/g, ' ')
    .replace(/&nbsp;/g, ' ')
    .replace(/&amp;/g, '&')
    .replace(/&lt;/g, '<')
    .replace(/&gt;/g, '>')
    .replace(/&quot;/g, '"')
    .replace(/\s+/g, ' ')
    .trim();
}

// 把完整会话记录作为 Note 挂到商机（旧 bridge crm/chatLogger 的 LibreDesk 版）。
async function attachChatToOpportunity({ client, twenty, convUuid, opportunityId, maxMessages = 100 }) {
  if (!client || !twenty || !convUuid || !opportunityId) return null;
  const messages = await client.getMessages(convUuid, maxMessages);
  const lines = (messages || [])
    .filter((m) => m && !m.private && (m.text_content || m.content))
    .sort((a, b) => Number(a.id) - Number(b.id))
    .map((m) => {
      const role = m.sender_type === 'contact' ? 'Customer' : 'Agent';
      return `[${role}] ${stripHtml(m.text_content || m.content).slice(0, 300)}`;
    })
    .filter((line) => line.trim().length > 12);
  if (!lines.length) return null;
  const text = lines.join('\n\n---\n\n').slice(0, 20000);
  const noteId = await twenty.createNote(text);
  if (noteId) await twenty.linkNoteToOpportunity(noteId, opportunityId);
  console.log(JSON.stringify({ ts: new Date().toISOString(), crm: 'chat_note', conversation: convUuid, opportunity: opportunityId, note_id: noteId }));
  return noteId;
}

module.exports = { attachChatToOpportunity, stripHtml };